Just in case anyone is looking for one of these
100-042-819WB
MK4 10" Federal Super Modular Rail M-LOK OD Green
Mfr Part: 05430ODG
Good luck!
GEISSELE AUTOMATICS LLC AR-15 MK4 FEDERAL SUPER MODULAR RAILS | Brownells
This is the same rail used to fullfill contracts for the Federal Bureau of Investigation (FBI). Its strength, modularity and M-Lok compatibility gives users the capabilities needed to successfully complete the mission at hand. These rails are purp...
www.brownells.com
100-042-819WB
MK4 10" Federal Super Modular Rail M-LOK OD Green
Mfr Part: 05430ODG
Good luck!